| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/03/01 | 9 | 10 | BXO | S10W16 | |
| 2001/03/02 | 4 | 10 | BXO | S10W30 | |
| 2001/03/04 | 4 | 20 | BXO | S10W51 | |
| 2001/03/05 | 5 | 50 | DSO | S11W68 | |
| 2001/03/06 | 3 | 70 | DSO | S10W82 |
| C |
|---|
| 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.8 | 2001/03/01 | 18:14 | 18:22 | 18:24 | |
| 2 | C1.58 | 2001/03/05 | 08:28 | 08:55 | 09:10 |
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| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/02/01 | M6.7 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| Last 30 days | 119.2 +2.7 |